Home / 12,969.18-19,417.05-10,081.26

Finding the Fourth Proportional to 12,969.18, 19,417.05 and 10,081.26

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Solution

The fourth proportional to 12,969.18, 19,417.05 and 10,081.26 is: 15,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.18 : 19,417.05 = 10,081.26 : x
  2. Step 2: Convert to fraction form
    12,969.18/19,417.05 = 10,081.26/x
  3. Step 3: Cross multiply
    12,969.18x = 19,417.05 × 10,081.26
  4. Step 4: Simplify right side
    12,969.18x = 195,748,329.48
  5. Step 5: Solve for x
    x = 195,748,329.48/12,969.18
  6. Step 6: Final answer
    x = 15,093.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.